19902984

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{15647}}^1$

素因数の和:15709

約数の個数: 32

約数和(自身を含む): 50699520

約数和(自身を除く): 30796536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 15647, 31294, 46941, 62588, 93882, 125176, 187764, 375528, 829291, 1658582, 2487873, 3317164, 4975746, 6634328, 9951492, 19902984]

約数ペア:

[(1, 19902984), (2, 9951492), (3, 6634328), (4, 4975746), (6, 3317164), (8, 2487873), (12, 1658582), (24, 829291), (53, 375528), (106, 187764), (159, 125176), (212, 93882), (318, 62588), (424, 46941), (636, 31294), (1272, 15647)]